16566+5711 A 1143 AB,CD (HD 153495)

 
 
16h 56m 34.99s +57° 11' 17.2" P.A. 2.00 sep 100.5 mag 8.90,10.21 Sp G0 dist. 88.81 pc (289.7 l.y.)
 
 
Coord 2000 16566+5711 Discov num A  1143 Comp AB,CD Coord arcsec 2000 16 56 34.99 +57 11 17.2
Date first 1905 Date last 2015 Obs 18
Pa first 5 Pa last 1.7 P.A. Now (θ) 1.7°
Sep first 96.5 Sep last 100.523 Sep. Now (ρ) 100.523"
Mag pri 8.90 Mag sec 10.21 delta mag (ΔM) 1.31 Spectral class G0 (yellow)
Pri motion ra +028 Sec motion ra -012
Pri motion dec -016 Sec motion dec +027
Notes N (See Notes)
rPM=1.821
This double is not physical.
 
 
16566+5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30169 16 56 35 +57 11 17 A 1143 AB 2016 47 219 0.3 9.44 9.72 0.28 Y
Show HD 153495 30169 16 56 35 +57 11 17 A 1143 AB,CD 2015 18 2 100.5 8.90 10.21 1.31 <===
Show 30169 16 56 35 +57 11 17 A 1143 AB,E 2015 9 351 52.9 8.90 13.50 4.60
Show 30170 16 56 35 +57 12 57 A 1143 CD 2016 26 139 0.7 10.72 10.85 0.13
Quintuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 153495 Constellation Draco SAO 30169 HIP 82910
Tycho2 3894-00576-1 HD 153495 BD BD+57 1716 Distance 88.81
Distance ly 289.7